6.9

CVE-2021-3519: lenovo desktop bios Improper Authentication

CVSS: 6.9v2.0MediumModified
Published 12-11-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-3519 is a medium (CVSS 6.9) Improper Authentication vulnerability in lenovo desktop bios. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.9% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability was reported in some Lenovo Desktop models that could allow unauthorized access to the boot menu, when the "BIOS Password At Boot Device List" BIOS setting is Yes.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

0.00 pp

From 0.24% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Lenovo60 products

1 vendor · 60 products

References

1 links